1
Also covers programming · same kind of website · free
Exercism offers practice and mentoring across 83 programming languages.
Alternatives
The Best Codewars Alternatives in 2026
24 alternatives3 free · 3 open source
Looking for something like Codewars? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 3 are open source.
Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
Top picks at a glance
First suggestionExercismExercism offers practice and mentoring across 83…Open source optionCoding ProblemsCoding Problems provides solutions to coding and algorithm…Another optionEMKCEMKC offers practical coding challenges and contests that…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Exercism | Free | Not stated | Web |
| 2 | EMKC | — | Not stated | Web |
| 3 | 30 Seconds of Code | — | Not stated | Web |
| 4 | NeetCode | — | Not stated | Web |
| 5 | Coding Problems | — | Yes | — |
| 6 | Rosetta Code | — | Not stated | Web |
| 7 | Programiz | — | Not stated | Web |
| 8 | zetcode | — | Not stated | Web |
| 9 | Ebook Foundation | — | Not stated | Web |
| 10 | Codility | — | Not stated | Web |
All Codewars alternatives
2
EMKC
emkc.org/challengesAlso covers programming · same kind of website
EMKC offers practical coding challenges and contests that can be completed in any of 17 programming languages.
3
30 Seconds of Code
30secondsofcode.orgAlso covers programming · same kind of website
30 Seconds of Code offers hundreds of short coding articles to help readers practice programming skills.
4
NeetCode
neetcode.ioAlso covers programming · same kind of website
NeetCode offers coding interview practice through courses, assessments, head-to-head mode, and a catalog of programming problems.
5
Also covers programming · open source
Coding Problems provides solutions to coding and algorithm problems and multiple programming exercises.
6
Rosetta Code
rosettacode.org/wiki/Rosetta_CodeAlso covers programming · same kind of website
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.
7
Programiz
programiz.comAlso covers programming · same kind of website
Programiz offers free online compilers and code editors alongside programming tutorials for languages including Python, JavaScript, SQL, and C++.
8
zetcode
zetcode.comAlso covers programming · same kind of website
ZetCode offers accessible programming tutorials covering C#, Go, Python, Java, and other languages.
9
Ebook Foundation
ebookfoundation.github.io/free-programming-booksAlso covers programming · same kind of website
The Ebook Foundation's free-programming-books repository lists freely available learning resources in many languages.
10
Codility
app.codility.com/programmersAlso covers programming · same kind of website
Codility Developer Training offers hands-on programming lessons, including exercises on topics such as binary gaps.
11
CodeAbbey
codeabbey.comAlso covers programming · same kind of website
CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
12
AtCoder
atcoder.jpAlso covers programming · same kind of website
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
13
Also covers programming · open source
This repository collects application ideas that developers can use to practice and improve their coding skills.
14
JavaScript.info
javascript.infoAlso covers programming · same kind of website
JavaScript.info provides a detailed modern JavaScript tutorial in multiple languages.
15
Also covers programming · open source
Basic Computer Games updates the classic programming book with examples in modern memory-safe languages.
16
Also covers programming · same kind of website · free
Scratch lets people create interactive stories, games, and animations with a visual programming language and online community.
17
Also covers programming · same kind of website · free plan
Hacksplaining teaches secure coding through interactive browser lessons covering OWASP Top 10 and GenAI threats.
18
HackerRank
hackerrank.comAlso covers programming · same kind of website
HackerRank is a coding test and interview solution for hiring developers.
19
CodingFantasy
codingfantasy.comAlso covers programming · same kind of website
CodingFantasy teaches CSS, HTML, and JavaScript through browser-based coding games.
20
PHP: The Right Way
phptherightway.comAlso covers programming · same kind of website
PHP: The Right Way offers a quick reference to PHP practices, coding standards, and links to tutorials.
21
Skilled.dev
skilled.devAlso covers programming · same kind of website
Skilled.dev provides coding interview preparation through a course for developers pursuing software engineering roles.
22
modern-cpp-tricks
github.com/rachitiitr/modern-cpp-tricksAlso covers programming
This list collects modern C++ techniques used in coding interviews and competitive programming.
23
Toph
toph.coAlso covers programming · same kind of website
Toph hosts competitive programming contests and problems on algorithms and data structures, with a community for participants.
24
QB64SourceCode
qb64tutorial.comAlso covers programming · same kind of website
A beginner tutorial introduces game programming with QB64 Phoenix Edition.
No alternatives match this filter.
Alternatives to similar tools
Scratch24 alternativesHacksplaining24 alternativesQB64SourceCode24 alternativesCodility24 alternativesCodeAbbey24 alternativesCoding Problems24 alternatives
What is the best alternative to Codewars?
Based on features, tags and platforms, the closest alternatives to Codewars are Exercism, EMKC, and 30 Seconds of Code.
Is there a free alternative to Codewars?
Yes. Exercism, Scratch, and Hacksplaining are free or offer a free plan.
Are there open-source alternatives to Codewars?
Yes: Coding Problems, App ideas, and Basic Computer Games.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative